Snow thrower



FIG. 1 is a front perspective view of a snow thrower showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a rear elevational view thereof.

The handle has been broken in FIGS. 2, 3 and 4 for convenience of illustration. 

The ornamental design for a snow thrower, substantially as shown and described. 